IA-64 changes.

4 files changed, 297 insertions, 3 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 2d1261899fa..0690790a341 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2000-03-20  Kevin Buettner  <kevinb@redhat.com>
+
+	* configure.host, configure.tgt (ia64-*-linux*): New entry.
+
+	* gdbserver/low-linux.c (u_offsets, ia64_register_u_addr,
+	initialize_arch): Define for IA-64.
+	(initialize_arch): Add declaration.
+
 2000-03-20  Eli Zaretskii  <eliz@is.elta.co.il>
 
 	* breakpoint.c (insert_breakpoints, remove_breakpoint)
diff --git a/gdb/configure.host b/gdb/configure.host
index 30fce818efc..02b6909e3a2 100644
--- a/gdb/configure.host
+++ b/gdb/configure.host
@@ -81,6 +81,9 @@ i[3456]86-*-unixware*)	gdb_host=i386v4 ;;
 i[3456]86-*-sysv*)	gdb_host=i386v ;;
 i[3456]86-*-isc*)	gdb_host=i386v32 ;;
 i[3456]86-*-cygwin*)	gdb_host=cygwin ;;
+
+ia64-*-linux*)		gdb_host=linux ;;
+
 m680[01]0-sun-sunos3*)	gdb_host=sun2os3 ;;
 m680[01]0-sun-sunos4*)	gdb_host=sun2os4 ;;
 m68030-sony-*)		gdb_host=news1000 ;;
diff --git a/gdb/configure.tgt b/gdb/configure.tgt
index 4158be5e1ad..8ad51e13648 100644
--- a/gdb/configure.tgt
+++ b/gdb/configure.tgt
@@ -126,6 +126,8 @@ i960-*-elf*)		gdb_target=mon960 ;;
 i960-*-nindy*)		gdb_target=nindy960 ;;
 i960-*-vxworks*)	gdb_target=vxworks960 ;;
 
+ia64-*-linux*)		gdb_target=linux ;;
+
 m32r-*-elf*)		gdb_target=m32r ;;
 
 m68000-*-sunos3*)	gdb_target=sun2os3 ;;
diff --git a/gdb/gdbserver/low-linux.c b/gdb/gdbserver/low-linux.c
index d8ff5d53e50..666dadf578a 100644
--- a/gdb/gdbserver/low-linux.c
+++ b/gdb/gdbserver/low-linux.c
@@ -59,6 +59,8 @@ extern int inferior_pid;
 void quit (), perror_with_name ();
 int query ();
 
+static void initialize_arch (void);
+
 /* Start an inferior process and returns its pid.
    ALLARGS is a vector of program-name and args.
    ENV is the environment vector to pass.  */
@@ -189,7 +191,7 @@ int i386_register_raw_size[MAX_NUM_REGS] = {
 int i386_register_byte[MAX_NUM_REGS];
 
 static void
-initialize_arch()
+initialize_arch ()
 {
   /* Initialize the table saying where each register starts in the
      register file.  */
@@ -240,7 +242,7 @@ i386_register_u_addr (blockend, regnum)
 }
 #elif defined(TARGET_M68K)
 static void
-initialize_arch()
+initialize_arch ()
 {
   return;
 }
@@ -274,6 +276,285 @@ m68k_linux_register_u_addr (blockend, regnum)
 {
   return (blockend + 4 * regmap[regnum]);
 }
+#elif defined(IA64_GNULINUX_TARGET)
+#undef NUM_FREGS
+#define NUM_FREGS 0
+
+#include <asm/ptrace_offsets.h>
+
+static int u_offsets[] =
+  {
+    /* general registers */
+    -1,		/* gr0 not available; i.e, it's always zero */
+    PT_R1,
+    PT_R2,
+    PT_R3,
+    PT_R4,
+    PT_R5,
+    PT_R6,
+    PT_R7,
+    PT_R8,
+    PT_R9,
+    PT_R10,
+    PT_R11,
+    PT_R12,
+    PT_R13,
+    PT_R14,
+    PT_R15,
+    PT_R16,
+    PT_R17,
+    PT_R18,
+    PT_R19,
+    PT_R20,
+    PT_R21,
+    PT_R22,
+    PT_R23,
+    PT_R24,
+    PT_R25,
+    PT_R26,
+    PT_R27,
+    PT_R28,
+    PT_R29,
+    PT_R30,
+    PT_R31,
+    /* gr32 through gr127 not directly available via the ptrace interface */
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    /* Floating point registers */
+    -1, -1,	/* f0 and f1 not available (f0 is +0.0 and f1 is +1.0) */
+    PT_F2,
+    PT_F3,
+    PT_F4,
+    PT_F5,
+    PT_F6,
+    PT_F7,
+    PT_F8,
+    PT_F9,
+    PT_F10,
+    PT_F11,
+    PT_F12,
+    PT_F13,
+    PT_F14,
+    PT_F15,
+    PT_F16,
+    PT_F17,
+    PT_F18,
+    PT_F19,
+    PT_F20,
+    PT_F21,
+    PT_F22,
+    PT_F23,
+    PT_F24,
+    PT_F25,
+    PT_F26,
+    PT_F27,
+    PT_F28,
+    PT_F29,
+    PT_F30,
+    PT_F31,
+    PT_F32,
+    PT_F33,
+    PT_F34,
+    PT_F35,
+    PT_F36,
+    PT_F37,
+    PT_F38,
+    PT_F39,
+    PT_F40,
+    PT_F41,
+    PT_F42,
+    PT_F43,
+    PT_F44,
+    PT_F45,
+    PT_F46,
+    PT_F47,
+    PT_F48,
+    PT_F49,
+    PT_F50,
+    PT_F51,
+    PT_F52,
+    PT_F53,
+    PT_F54,
+    PT_F55,
+    PT_F56,
+    PT_F57,
+    PT_F58,
+    PT_F59,
+    PT_F60,
+    PT_F61,
+    PT_F62,
+    PT_F63,
+    PT_F64,
+    PT_F65,
+    PT_F66,
+    PT_F67,
+    PT_F68,
+    PT_F69,
+    PT_F70,
+    PT_F71,
+    PT_F72,
+    PT_F73,
+    PT_F74,
+    PT_F75,
+    PT_F76,
+    PT_F77,
+    PT_F78,
+    PT_F79,
+    PT_F80,
+    PT_F81,
+    PT_F82,
+    PT_F83,
+    PT_F84,
+    PT_F85,
+    PT_F86,
+    PT_F87,
+    PT_F88,
+    PT_F89,
+    PT_F90,
+    PT_F91,
+    PT_F92,
+    PT_F93,
+    PT_F94,
+    PT_F95,
+    PT_F96,
+    PT_F97,
+    PT_F98,
+    PT_F99,
+    PT_F100,
+    PT_F101,
+    PT_F102,
+    PT_F103,
+    PT_F104,
+    PT_F105,
+    PT_F106,
+    PT_F107,
+    PT_F108,
+    PT_F109,
+    PT_F110,
+    PT_F111,
+    PT_F112,
+    PT_F113,
+    PT_F114,
+    PT_F115,
+    PT_F116,
+    PT_F117,
+    PT_F118,
+    PT_F119,
+    PT_F120,
+    PT_F121,
+    PT_F122,
+    PT_F123,
+    PT_F124,
+    PT_F125,
+    PT_F126,
+    PT_F127,
+    /* predicate registers - we don't fetch these individually */
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    /* branch registers */
+    PT_B0,
+    PT_B1,
+    PT_B2,
+    PT_B3,
+    PT_B4,
+    PT_B5,
+    PT_B6,
+    PT_B7,
+    /* virtual frame pointer and virtual return address pointer */
+    -1, -1,
+    /* other registers */
+    PT_PR,
+    PT_CR_IIP,	/* ip */
+    PT_CR_IPSR, /* psr */
+    PT_CR_IFS,	/* cfm */
+    /* kernel registers not visible via ptrace interface (?) */
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    /* hole */
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    PT_AR_RSC,
+    PT_AR_BSP,
+    PT_AR_BSPSTORE,
+    PT_AR_RNAT,
+    -1,
+    -1,		/* Not available: FCR, IA32 floating control register */
+    -1, -1,
+    -1,		/* Not available: EFLAG */
+    -1,		/* Not available: CSD */
+    -1,		/* Not available: SSD */
+    -1,		/* Not available: CFLG */
+    -1,		/* Not available: FSR */
+    -1,		/* Not available: FIR */
+    -1,		/* Not available: FDR */
+    -1,
+    PT_AR_CCV,
+    -1, -1, -1,
+    PT_AR_UNAT,
+    -1, -1, -1,
+    PT_AR_FPSR,
+    -1, -1, -1,
+    -1,		/* Not available: ITC */
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    PT_AR_PFS,
+    PT_AR_LC,
+    -1,		/* Not available: EC, the Epilog Count register */
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+    -1,
+    /* nat bits - not fetched directly; instead we obtain these bits from
+       either rnat or unat or from memory. */
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+    -1, -1, -1, -1, -1, -1, -1, -1,
+  };
+
+int
+ia64_register_u_addr (int blockend, int regnum)
+{
+  int addr;
+
+  if (regnum < 0 || regnum >= NUM_REGS)
+    error ("Invalid register number %d.", regnum);
+
+  addr = u_offsets[regnum];
+  if (addr == -1)
+    addr = 0;
+
+  return addr;
+}
+
+static void
+initialize_arch ()
+{
+  return;
+}
 #endif
 
 CORE_ADDR
@@ -487,5 +768,5 @@ write_inferior_memory (memaddr, myaddr, len)
 void
 initialize_low ()
 {
-  initialize_arch();
+  initialize_arch ();
 }